/* This function here changes the font size and the visibility 
of the font size changer button in the function bar */

/* Font size changer */
function fontSizer(inc,unit) {
	if (!document.getElementById) 
		return;
	changeme = document.getElementById("content");
	changeme.setAttribute('class','big');
	changeme.setAttribute('className','big');
}

function fontdefault(inc,unit) {
	if (!document.getElementById) 
		return;
	changeme = document.getElementById("content");
	changeme.setAttribute('class','default');
	changeme.setAttribute('className','default');
}

/* This function hides things */
function show_hide(id, show) {
	if (el = document.getElementById(id)) {
		if (null==show) show = el.style.display=='none';
		el.style.display = (show ? '' : 'none');
	}
}